Removing your bios battery for about 10 seconds resets your bios it may fix it by reinstallhi,i am unable to access the bios.i am using windows 10 pro 64 bit.i have tried f2 key anfdel.also uefi firmware setting is missing in advanced options.i am going to be fitting a new ssd in a couple of days,so i will have to chang boot order in the bios.
nope,did nothing.Okay, since Windows 10 doesn't normally shut down fully, hold down the Windows and R keys together to get the Run dialogue box open, type in cmd, and then hit Enter. Within the Command Prompt dialogue box, type in the following and then hit Enter: shutdown /s /t 0 (that's a zero at the end). Note: this will turn off your PC, so ensure you've saved all your files and exited applications properly.
Once the PC is shut down fully, hit the Power button and - as soon as you do that - start mashing the F2 key repeatedly to get to setup.
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